GCSE - Biology - Transpiration Tissues

In this episode, we will discuss the alveoli in the circulatory system.Alveoli are microscopic air sacs within the lungs where the crucial exchange of oxygen and carbon dioxide occurs between air and blood through diffusion. Their structure is highly adapted for this vital proces ... Show More

In this episode, we look at transportation in cells. We will explain how substances move into and out of cells, highlighting three key mechanisms. Diffusion is described as the movement of particles from high to low concentration areas. Osmosis is presented as a specific type of ... Show More

In this episode, we will discuss plant hormone uses and light investigation.Plant hormones are valuable tools in agriculture and horticulture, manipulating plant growth for various purposes. Auxins find use as herbicides and rooting agents, whilst ethene regulates fruit ripening. ... Show More

This episode reviews the topic of plant transport, including: Water absorption in the roots, Transpiration and Translocation. This episode is suitable for all examination boards but more specifically geared to IGCSE Edexcel. 

This week, Emma's got the lowdown on facilitated diffusion and polarized membranes for your AP Bio exam. She looks at how molecules diffuse through carrier proteins or channel proteins in membranes. Perfect for AQA, Edexcel and OCR exam boards. Ideal for preparing you for your A ... Show More

This episode reviews the topic of cells, including: The levels of organisation in multicellular organisms. The differences between animal and plant cells and the process of cell differentiation and the uses of stem cells. This episode is suitable for all examination boards but mo ... Show More

This episode reviews the topic of human gas exchange including: The process of breathing, the role of the alveoli in gas exchange and the effects of smoking on the respiratory system. This episode is suitable for all examination boards but more specifically geared to IGCSE Edexce ... Show More

This episode reviews the topic investigating biological molecules, including: How to test for the presence of reducing sugars, non-reducing sugars, starch, proteins and lipids. This episode is suitable for all examination boards but more specifically geared to AQA A-Level Biology ... Show More

We find out that Rory has chlorophyll on his hands, talk about what plant symbolizes his relationship with his colleagues as well as how to impress Maria with high school biology terminology. Tune in and we hope you'll have fun and learn something new today! Tune in and have a g ... Show More

This episode reviews the topic of Lipids, including: the structure and the roles of Triglycerides and Phospholipids. This episode is suitable for all examination boards but more specifically geared to AQA A-Level Biology. 

Biology/Biochemistry: In this fifth episode of biology/biochemistry, we talk about the respiratory system. Topics like the anatomy of the respiratory system, how we regulate breathing, and more. 

Teach Me Biology is hosted by Ria Corbett and Sarah Matthews. Ria Corbett is a science teacher with a biology specialism. Sarah, is her younger sister and learning A-Level biology. Ria will be teaching her topic by topic to provide you the listener with an audio revision resource ... Show More